Susceptibility response of varieties and local populations of lupines to Bruchus rufimanus (Coleoptera: Chrysomelidae)
AbstractThis study aimed to evaluate the susceptibility response of varieties and local populations of lupines to Bruchus rufimanus in multi-environment field tests. Seed damaged rate and susceptibility index were assessed in each environment and subjected to a heritability-adjusted genotype and genotype x environment biplot analysis. It was found that the susceptibility index of damaged seeds was positively related to precipitation amounts and humidity, and inversely to min and max temperatures. The seed damaged rate was positively related to temperatures but negatively to rain and humidity. The local polish population WAT and cultivars Pink Mutant, Solnechnii, and Bezimenii 1 had the lowest seed damaged rate and stable position across environments. Meanwhile, these cultivars showed a low susceptibility index and low variability. The discrepancy between the early phenological development of Pink Mutant, Solnechnii, and Bezimenii 1 and the life cycle of B. rufimanus was one of the reasons for manifested tolerance. Correlations between damaged seed and susceptibility index as well as the mass of 1000 seeds and sensitivity index were strongly positive and negative, respectively. WAT, Pink Mutant, Solnechnii, and Bezimenii 1 had a clear advantage in defending itself from B. rufimanus attack, which makes them particularly interesting for breeding purposes.
Authors of articles published in Journal of BioScience and Biotechnology retain the copyright of their articles. The journal/publisher is not responsible for subsequent uses of the work. It is the author's responsibility to bring an infringement action if so desired by the author.
- copyright, and other proprietary rights relating to the article, such as patent rights;
- the right to use the substance of the article in future own works, including lectures and books;
- the right to reproduce the article for own purposes, provided the copies are not offered for sale;
- the right to self-archive the article.